{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Our search produced 30 articles , of which 23 were included in the review : artemisinin compounds , 12 articles ; lumefantrine , four articles ; amodiaquine , five articles ; sulfadoxine , six articles ; pyrimethamine , one article ; mefloquine , three articles ; and piperaquine , two articles ."}
{"Chemical": ["artemisinin", "lumefantrine", "amodiaquine", "sulfadoxine", "pyrimethamine", "mefloquine", "piperaquine"]}